FLOUNDER FERMENT EXTRACT FILTRATE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

FLOUNDER FERMENT EXTRACT FILTRATE

Safety grade: A

This ingredient comes from fermented flounder fish and is used in skincare products to help moisturize and condition the skin. The fermentation process breaks down the fish proteins into smaller, more beneficial compounds that can be more easily absorbed by the skin.

Graded using: COSING.

Last verified: June 9, 2026